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Finding the Fourth Proportional to 489,450.29, 675,431.06 and 271,646.28

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Solution

The fourth proportional to 489,450.29, 675,431.06 and 271,646.28 is: 374,866.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,450.29 : 675,431.06 = 271,646.28 : x
  2. Step 2: Convert to fraction form
    489,450.29/675,431.06 = 271,646.28/x
  3. Step 3: Cross multiply
    489,450.29x = 675,431.06 × 271,646.28
  4. Step 4: Simplify right side
    489,450.29x = 183,478,333,487.23
  5. Step 5: Solve for x
    x = 183,478,333,487.23/489,450.29
  6. Step 6: Final answer
    x = 374,866.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.